There are several possible causes for squatting pain in the right knee: First, meniscal damage. When there is damage or tear in the posterior horn of the meniscus, there can be pain when squatting, and a meniscal MRI should be performed for early diagnosis and early treatment. Second, osteoarthritis of the knee joint, osteoarthritis of the knee joint can also occur when serious meniscal damage, cartilage damage, and bone spur formation, it can appear when the knee joint squatting pain, to carry out X-ray, CT, nuclear magnetic examination of the knee joint, to carry out early diagnosis and treatment. Third, patellofemoral arthritis, when the knee joint between the patella and femur joint degeneration, such as cartilage damage, the formation of bone superfluous, can occur when the knee joint squatting pain, to carry out X-ray, nuclear magnetic examination of the knee joint, to carry out early diagnosis and early treatment.